004550000a2200133000450024501180000065000180011865000250013665000250016165100240018604100130021070000360022310000260025977300360028510aRegional patterns of well drained upland soil differentiation in the middle Caquetá basin of Colombian Amazonia14aFisiografía14aAnálisis del suelo14aSuelos bien drenados 4dCaquetápColombia0 aInglés1 aDuivenvoorden, Joost Franciscus1 aLips, Johanna María1 tGeoderma361h72q219-257d1996